2. Valiant Communications Limited - 2015 Product Overview Multi Service Platform  VCL-MX Version 6 - E1 160Mbps Multiplexer supports DXC, data and voice traffic  For DXC (cross-connect) application:  80 x E1, 160Mbps Digital Access Cross-Connect. 80 E1 fully non- blocking cross connect at 64Kbps (DS-0) level (2480 DS-0 – any to any time-slot cross-connect)  For voice traffic and data applications:  For use in Point-to-Point, Point-to-Multi point, Add-Drop (drop- insert), Tree and Star topology. 2

3. Valiant Communications Limited - 2015 Features and Highlights  160Mbps, 80 E1 fully non-blocking cross-connect at 64Kbps (DS-0) level (2480 DS-0 – any to any time-slot cross-connect)  Sub-rate multiplexing to provide up to 4 asynchronous data channels in a single 64Kbps time-slot.  Multi-service platform – may be used to provide a wide variety of voice and data services from single chassis  1+1 E1 Link Protection / E1 Port Redundancy  1+1 Control Card Processor Redundancy  1+1 Cross-Connect Redundancy  1+1 Timing (Synchronization Clock) Redundancy. User selectable synchronization priority.  1+1 48V DC Power Supply Redundancy (Dual Power Input – allows the equipment to be powered from two separate sources 3

4. Valiant Communications Limited - 2015 Features and Highlights  Optional - 1+1 Channel Protection - allows the user to protect 64 Kbps voice & data channels  144 FXO or 144 FXS channels per unit.  72 E&M 2-wire / 4-wire channels per unit  Any “mix” of data and voice channels in a single unit  Universal Slots – slot independent system so that any type of interface card may be inserted and used in any card slot  Omnibus voice and data operation  Supports R2 CAS, ITU-T Q.421 and ITU-T Q.422 signalling  Supports CAS Custom / User Programmable ABCD Signaling  Bit Error Rate (BER) monitoring – BER thresholds to generate BER alarms automatically whenever alarm limits are exceeded  Supports Long Loops of up to 1200 Ohms 4

5. Valiant Communications Limited - 2015 Features and Highlights  Supports 75 VRMS and 90 VRSM Ring Voltage Options  Supports A-law and Mu-law voice coding  Supports sinusoidal un-balanced ring output.  Provides a ring of ≥75 volts RMS into a load of 5 R.E.N. on each channel with a 0.30 Erlang traffic pattern (5 R.E.N. load = 5 parallel phone load on each line)  May be used in a Point-to-Point, Point-to-Multi point, Add-Drop (drop-insert), Tree and Star topology  Telnet  SSH for secured access  SNMP traps  Maintains Access Security Log  GUI (Graphical User Interface). 5

6. Valiant Communications Limited - 2015 Additional Features  Inter-operate with Nokia, Alcatel-Lucent and other known E1 PDH multiplexers  Voice and Digital Data services  Any combination ("mix-n-match") of Voice and Digital Data services deployed from a single VCL-MX "Smart Shelf”- 4, 8, 12, 16 channels per card  Integrated IEEE C37.94 Teleprotection Interface  4 Command, Integrated VCL-TP Teleprotection / Protection Coupler Interface Card  Wireless applications including Cellular Networks  Digital Microwave Radio  SCADA applications  ATM/Frame Relay circuit termination  Powerful Network Management System for monitoring and network control  Compliance with all relevant ITU-T (CCITT) recommendations  19-inch, 6U high construction. 6

7. Valiant Communications Limited - 2015 Highlights  Field upgradable to provide voice, data or both services  Flexibility on use of transmission medium-copper, fiber or wireless  Choice of Interfaces for Voice and Data Applications  USB and RS232, Interface for local connection through the serial interface to the "Network Control and Management Software”  In-band and Out-of-band system configuration and management interface.  Channel assignment independent of slot position in the sub-rack  Extensive set of alarms  User Selectable Internal, External and Loop-timed clock synchronization priority options  Universal slots - any interface card can plug in at any interface slot.  OAM Card 7

8. Valiant Communications Limited - 2015 Applications and Interfaces VCL-MX Version 6 - E1 160Mbps Multiplexer supports DXC, data and voice traffic.  For DXC (cross-connect) application  80 x E1, 160Mbps Digital Access Cross-Connect. 80 E1 fully non-blocking cross connect at 64Kbps (DS-0) level (2480 DS-0 – any to any time-slot cross-connect)  For voice traffic, it supports the following interfaces:  FXO  FXS  E&M (2Wire / 4Wire)  Hot-Line (Ring-Down)  18 x five-way / 30 x three-way voice conferencing  Ring Generator (75V RMS) 8

9. Valiant Communications Limited - 2015 Applications and Interfaces  For data traffic, it supports the following interfaces:  Channelized E1 / Fractional E1 data  RS-232 asynchronous data  Sub-rate multiplexing to provide 4 asynchronous data channels in a single 64Kbps time-slot  Up to 4 asynchronous multi-drop data channels.  V.24 synchronous data / asynchronous data  G.703, @ 64 Kbps, co-directional  V.35, V.36, X.21, V.11, RS530, RS449 synchronous, “n”x64Kbps data  Relay I/O Card (Dry Contact)  Universal DCE / DTE synchronous “n”x64Kbps data interface  Integrated IEEE C37.94 Teleprotection Interface  4 Command, Integrated VCL-TP Teleprotection / Protection Coupler Interface Card  8E1 plus 100Mbps Ethernet fiber optical transport interface along with the following:  EOW (Engineering Order Wire) channel for end to end installation and maintenance  1+1 Fiber Path protection  10/100M Ethernet Port - 100 Mbps Ethernet data transmission rate complies with IEEE8 02.3 9

10. Valiant Communications Limited - 2015 VCL-MX Version 6, Voice and Data Multiplexer E1 / Microwave Application 10

11. Valiant Communications Limited - 2015 VCL-MX Version 6, Voice and Data Multiplexer Optical Transport Application 11

12. Valiant Communications Limited - 2015 VCL-MX Version 6, Voice and Data Multiplexer Power Utility Application Diagram 12

13. Valiant Communications Limited - 2015 Application - Distributed Ethernet over an E1 Link Providing Time Synchronization from NTP Server to RTUs using distributed Ethernet over an E1 Link 13

14. Valiant Communications Limited - 2015 Application - Distributing ToD (Time-of-Day) over an E1 Link Using IEEE 1588v2 over distributed Ethernet to provide NTP Services, IRIG-B / 1 PPS, NMEA and GPS Synchronized Frequency Reference over an E1 Link 14

15. Valiant Communications Limited - 2015 Railways - Inter-Station Communication Over SDH Network 15

16. Valiant Communications Limited - 2015 E1 Protected Network Overview 16

17. Valiant Communications Limited - 2015 SCADA Conference Application - 1 17

18. Valiant Communications Limited - 2015 SCADA Conference Application - 2 18

19. Valiant Communications Limited - 2015 E&M Point to MultiPoint / Conference Application - 1 19

20. Valiant Communications Limited - 2015 E&M Point to MultiPoint / Conference Application - 2 20

21. Valiant Communications Limited - 2015 Product Photo 21

22. Valiant Communications Limited - 2015 VCL-MX Version 6 – Front View 22

23. Valiant Communications Limited - 2015 VCL-MX Version 6 – Back View 23

24. Valiant Communications Limited - 2015 Power Supply Options  DC110 1 x 110/125V DC Power Supply Input [60-160V DC] OR  DC048 1 x -48V DC Power Supply Input [18V-75V DC] OR  DC110R 2 x 110/125V DC Power Supply Input [60-160V DC] [Redundant - 1+1] OR  DC048R 2 x -48V DC Power Supply Input [18V-75V DC] [Redundant - 1+1] 24

25. Valiant Communications Limited - 2015 Synchronization Timing OptionsInternal Clock, Loop-Timed Clock, External Clock. User selectable synchronization priority Synchronization Sources Internal Clock, span clock timing derived from incoming HDB3 links (Loop-Timed), External Clock, 75 Ohms (TTL), 2.048 Mbits and 120 Ohms (Bits clock) Default Option Internal Clock (Stratum 3) 25

26. Valiant Communications Limited - 2015 System Access, Control and Management Options  Telnet  SSH  CLI Control Interface (HyperTerminal or VT100)  SNMP V2 Traps (MIB File provided). OAM: Operation and Management Ports  RS232 Serial Port  USB COM Port  10/100BaseT Ethernet for remote access. 26

27. Valiant Communications Limited - 2015 Security and Protection  Secured Access via SSH V2  Password Protection: Password Protection in compliance with the mandatory clauses of the GR-815-CORE-2 specifications for secured access control.  Logging: Maintains a log of all successful and un-successful attempts. Logged information includes the ID and the IP address of the accessing entities. Alerts the administrator if the un-successful logging attempts exceed 3.  Security Audit: All access logs for up to 30 days are maintained for security audit purposes.  Security log entry of any request or activity including that user-ID (including IP address, if applicable), to establish user accountability  Report Generation / Audit Trail  Security Administration. 27

28. Valiant Communications Limited - 2015 Thank You for your attention For more details visit us at our Website at http://www.valiantcom.com 28 U.K. Valiant Communications (UK) Ltd 1, Acton Hill Mews, 310-328 Uxbridge Road, London W3 9QN, U.K E-mail: gb@valiantcom.comgb@valiantcom.com Website: http://www.valiantcom.comhttp://www.valiantcom.com INDIA Valiant Communications Limited 71/1, Shivaji Marg, New Delhi – 110015 E-mail: mail@valiantcom.commail@valiantcom.com Website: http://www.valiantcom.comhttp://www.valiantcom.com U.S.A. Valcomm Technologies Inc. 4000 Ponce de Leon, Suite 470 Coral Gables, FL 33146, U. S. A E-mail: us@valiantcom.comus@valiantcom.com Website: http://www.valiantcom.comhttp://www.valiantcom.com Revision 3.1 December 10, 2015